Table 3.
Univariate and multivariate stepwise logistic regression of the association between sociodemographic characteristics, patient‐reported outcomes, and WRIs in active and employed participants*
| Variable | Univariate logistic regression | Multivariate stepwise logistic regression |
|---|---|---|
| Age | 0.99 (0.98–1.00) | NA |
| Female | 1.51 (1.21–1.90)† | 0.81 (0.61–1.08) |
| Education level, university | 1.27 (1.07–1.50)† | NA |
| Marital status, married or with partner | 0.88 (0.66–1.18) | NA |
| Monthly income, € | 1.00 (1.00–1.00) | NA |
| BASDAI (0–10) | 1.46 (1.36–1.56)† | 1.30 (1.16–1.45)† |
| Spinal Stiffness Index (3–12) | 1.22 (1.16–1.28)† | 0.96 (0.89–1.04) |
| GHQ‐12 (0–12) | 1.21 (1.16–1.25)† | 1.15 (1.08–1.22)† |
| Functional Limitation Index (0–54) | 1.01 (1.00–1.01) | 0.99 (0.98–1.01) |
| Uveitis | 1.09 (0.81–1.47) | 0.88 (0.56–1.39) |
| Inflammatory bowel disease | 0.59 (0.41–0.84)† | 0.58 (0.36–0.91)† |
| Any physical comorbidities | 1.81 (1.44–2.27)† | 0.98 (0.67–1.43) |
| Anxiety | 2.47 (1.85–3.29)† | 1.28 (0.76–2.14) |
| Depression | 2.83 (2.03–3.94)† | 0.99 (0.55–1.77) |
*
Values are the odds ratio (95% confidence interval). BASDAI = Bath Ankylosing Spondylitis Disease Activity Index; GHQ‐12 = 12‐item General Health Questionnaire; NA = not applicable; WRIs = work‐related issues.
†
Statistically significant.